Automatic door opening mechanism

Abstract

The utility model belongs to the technical field of automatic doors, and discloses an automatic door opening mechanism which comprises a main door frame, a left main door leaf and a right main door leaf are fixedly installed in the main door frame, a left auxiliary door frame and a right auxiliary door frame are arranged in the middle of the main door frame, and a plurality of auxiliary door leaves are evenly distributed in the auxiliary door frames. A connecting piece is hinged between every two adjacent auxiliary door leaves, auxiliary door leaf locks are arranged at the upper ends of the close sides of the two auxiliary door frames, a driving device is arranged at the top of the front face of the main door frame, and the output end of the driving device is connected with the left auxiliary door frame and the right auxiliary door frame. Due to the fact that the auxiliary door leaf lock is arranged, it can be guaranteed that the auxiliary door leaf and the auxiliary door frame are kept into a whole, and it is guaranteed that the auxiliary door frame can be opened and closed during operation; meanwhile, locking of the auxiliary door leaves and the auxiliary door frames can be relieved through the auxiliary door leaf locks, so that the auxiliary door leaves can be opened while the two auxiliary door frames are closed, and the purpose of ensuring passing through by manually opening the door is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automatic doors, in particular to an automatic door opening mechanism. Background Art

[0002] With the improvement of living standards, more and more smart products have entered people's daily lives, and automatic doors are one of them. Automatic doors are widely used in indoor places such as shopping malls, stores, and enterprises. Therefore, they are also well known to people and bring great convenience to people's lives.

[0003] Almost all existing automatic doors require an electric door opener to control the opening and closing of the door leaf. However, in real life, power outages and even equipment damage are inevitable. At this time, the automatic door opening mechanism cannot operate, making it difficult to open the automatic door, causing inconvenience to travel. Therefore, it needs to be improved. Utility Model Content

[0004] In order to solve the problems raised in the above background technology, the utility model provides an automatic door opening mechanism, which has the advantage of being easy to use.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: an automatic door opening mechanism, comprising a main door frame, two left and right main door leaves fixedly installed inside the main door frame, two left and right auxiliary door frames provided in the middle of the main door frame, a plurality of auxiliary door leaves evenly distributed inside the auxiliary door frame, a connecting piece hinged between two adjacent auxiliary door leaves, an auxiliary door leaf lock provided at the upper end of the adjacent side of the two auxiliary door frames, a driving device provided at the top of the front face of the main door frame, and an output end of the driving device connected to the left and right auxiliary door frames;

[0006] The outer side of an auxiliary door leaf in the auxiliary door frame close to the auxiliary door leaf lock is locked with the auxiliary door leaf lock, and the outer side of an auxiliary door leaf in the auxiliary door frame away from the auxiliary door leaf lock is movably hinged with the inner wall of the auxiliary door frame.

[0007] Preferably, an elastic rope is connected between two adjacent auxiliary door leaves, and two ends of the elastic rope are respectively connected to the opposite sides of the two adjacent auxiliary door leaves.

[0008] Preferably, a sealing strip is provided on the outer side of the auxiliary door leaf, the left and right sides of the sealing strip are in contact with the adjacent sealing strip and the inner wall of the auxiliary door frame, and the upper and lower sides of the sealing strip are in contact with the inner wall of the auxiliary door frame.

[0009] Preferably, support wheels are installed at the bottom of the auxiliary door frame, and the support wheels are in contact with the ground.

[0010] Preferably, the distance between the back surfaces of the two auxiliary door frames is greater than the distance between the facing surfaces of the two main door leaves, and the two auxiliary door frames are completely fitted to the front surfaces of the two main door leaves.

[0011] Preferably, the driving device includes a transmission belt movably installed inside the main door frame, both ends of the transmission belt are connected to a transmission roller, and the middle of the transmission belt is fixedly connected to two left and right linkage blocks, the back of a linkage block on the left is fixedly connected to the inner wall of the transmission belt, and its bottom is fixedly connected to the top of a sub-door frame on the left, and the front of a linkage block on the right is fixedly connected to the inside of the transmission belt, and its bottom is fixedly connected to the top of a sub-door frame on the right.

[0012] Preferably, a driven gear is provided above one of the transmission rollers, the bottom of the driven gear is fixedly connected to the top of the transmission roller, a bearing is fixedly sleeved inside the transmission roller, a positioning shaft is fixedly sleeved inside the bearing, and the upper end of the positioning shaft is fixedly connected to the inner wall of the main door frame;

[0013] The side of the driven gear is meshed with a driving gear, and a driving motor is provided above the driving gear. The driving motor is fixedly installed inside the main door frame, and the lower end of the output shaft of the driving motor is fixedly connected to the driving gear.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0015] 1. Due to the setting of the auxiliary door leaf lock, the utility model can ensure that the auxiliary door leaf and the auxiliary door frame remain an integral whole, ensuring that the operation of the auxiliary door frame can be opened and closed; at the same time, the auxiliary door leaf lock can release the lock between the auxiliary door leaf and the auxiliary door frame, so that the two auxiliary door frames can be closed and the auxiliary door leaf can be opened at the same time, realizing the purpose of manually opening the door to ensure passage.

[0016] 2. Due to the setting of the driving device, the utility model achieves a good door opening and closing effect through two linkage blocks under the cooperation of the transmission belt and two transmission rollers, and the irreversible wear therein has almost no effect on the opening effect of the door leaf. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a front view of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the drive device of the utility model;

[0020] Figure 4 It is a cross-sectional view of the utility model from above.

[0021] In the figure: 1. Main door frame; 2. Main door leaf; 3. Auxiliary door frame; 4. Auxiliary door leaf; 5. Connecting piece; 6. Elastic rope; 7. Driving device; 71. Transmission belt; 72. Transmission roller; 73. Bearing; 74. Positioning shaft; 75. Linkage block; 76. Driven gear; 77. Driving motor; 78. Driving gear; 8. Auxiliary door leaf lock; 9. Sealing strip; 10. Support wheel. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] like Figures 1 to 4 As shown, the utility model provides an automatic door opening mechanism, comprising a main door frame 1, two main door leaves 2 are fixedly installed on the inside of the main door frame 1, two auxiliary door frames 3 are arranged on the middle part of the main door frame 1, a plurality of auxiliary door leaves 4 are evenly distributed on the inside of the auxiliary door frame 3, a connecting member 5 is hinged between two adjacent auxiliary door leaves 4, an auxiliary door leaf lock 8 is arranged on the upper end of the adjacent side of the two auxiliary door frames 3, a driving device 7 is arranged on the top of the front of the main door frame 1, and the output end of the driving device 7 is connected to the two auxiliary door frames 3 on the left and right;

[0024] The outer side of a secondary door leaf 4 in the secondary door frame 3 close to the secondary door leaf lock 8 is locked with the secondary door leaf lock 8, and the outer side of a secondary door leaf 4 in the secondary door frame 3 away from the secondary door leaf lock 8 is movably hinged to the inner wall of the secondary door frame 3; due to the setting of the secondary door leaf lock 8, it can be ensured that the secondary door leaf 4 and the secondary door frame 3 remain a whole, ensuring that the operation of the secondary door frame 3 can be achieved. At the same time, the lock of the secondary door leaf 4 and the secondary door frame 3 can be released through the secondary door leaf lock 8, so that the two secondary door frames 3 can be closed and the secondary door leaf 4 can be opened at the same time, achieving the purpose of manually opening the door to ensure passage.

[0025] like Figure 2 As shown, an elastic rope 6 is connected between two adjacent auxiliary door leaves 4, and the two ends of the elastic rope 6 are respectively connected to the opposite sides of the two adjacent auxiliary door leaves 4; due to the setting of the elastic rope 6, after the lock between the auxiliary door leaf 4 and the auxiliary door frame 3 is released by the auxiliary door leaf lock 8, with the cooperation of the connecting part 5, the elastic recovery effect of the elastic rope 6 can make the two adjacent auxiliary door leaves 4 fold against each other and ensure that the auxiliary door leaf 4 is in a continuous open state.

[0026] like Figure 2As shown, a sealing strip 9 is provided on the outer side of the auxiliary door leaf 4, and the left and right sides of the sealing strip 9 are in contact with the adjacent sealing strip 9 and the inner wall of the auxiliary door frame 3, and the upper and lower sides of the sealing strip 9 are in contact with the inner wall of the auxiliary door frame 3; due to the setting of the sealing strip 9, it can not only provide a certain supporting effect on the auxiliary door leaf 4 with the cooperation of the auxiliary door frame 3, but also ensure the sealing effect between the adjacent auxiliary door leaves 4 and the auxiliary door frame 3.

[0027] like Figure 2 As shown, a supporting wheel 10 is installed at the bottom of the auxiliary door frame 3, and the supporting wheel 10 is in contact with the ground.

[0028] like Figure 4 As shown, the distance between the back surfaces of the two auxiliary door frames 3 is greater than the distance between the facing surfaces of the two main door leaves 2 , and the two auxiliary door frames 3 are completely fitted to the front surfaces of the two main door leaves 2 .

[0029] like Figure 3 As shown, the driving device 7 includes a transmission belt 71 movably installed inside the main door frame 1, and both ends of the transmission belt 71 are transmission-connected to a transmission roller 72. The middle part of the transmission belt 71 is fixedly connected to two left and right linkage blocks 75. The back of the left linkage block 75 is fixedly connected to the inner wall of the transmission belt 71, and its bottom is fixedly connected to the top of a left auxiliary door frame 3. The front of the right linkage block 75 is fixedly connected to the inside of the transmission belt 71, and its bottom is fixedly connected to the top of a right auxiliary door frame 3. Due to the setting of the driving device 7, a good door opening and closing effect is achieved through the left and right linkage blocks 75 with the cooperation of the transmission belt 71 and the two transmission rollers 72, and the irreversible wear therein has almost no effect on the opening effect of the door leaf.

[0030] like Figure 3 As shown, a driven gear 76 is provided above one of the transmission rollers 72, the bottom of the driven gear 76 is fixedly connected to the top of the transmission roller 72, a bearing 73 is fixedly sleeved inside the transmission roller 72, a positioning shaft 74 is fixedly sleeved inside the bearing 73, and the upper end of the positioning shaft 74 is fixedly connected to the inner wall of the main door frame 1;

[0031] The side of the driven gear 76 is meshed with a driving gear 78 , and a driving motor 77 is provided above the driving gear 78 . The driving motor 77 is fixedly installed inside the main door frame 1 , and the lower end of the output shaft of the driving motor 77 is fixedly connected to the driving gear 78 .

[0032] The working principle and use process of this utility model:

[0033] When the door needs to be opened, the driving motor 77 is operated, and then, supported by the bearing 73 and the positioning shaft 74, the driving gear 78 and the driven gear 76 drive one of the transmission rollers 72 to rotate, and then, with the cooperation of the other transmission roller 72, the transmission belt 71 is driven to rotate counterclockwise, which can drive the two linkage blocks 75 to move away from each other, and then drive the two auxiliary door frames 3 to move away from each other with the cooperation of the support wheel 10, thereby driving the auxiliary door leaves 4 inside to move away from each other, so that the door can be opened, and vice versa, it can be closed;

[0034] Once the driving device 7 cannot operate due to a feature or equipment damage, the auxiliary door leaf 4 and the auxiliary door frame 3 can be unlocked by the auxiliary door leaf lock 8, and then the auxiliary door leaf 4 inside the auxiliary door frame 3 can be opened and the door can be opened manually;

[0035] When the lock between the auxiliary door leaf 4 and the auxiliary door frame 3 is released, with the cooperation of the connecting piece 5, the elastic recovery effect of the elastic rope 6 can make the two adjacent auxiliary door leaves 4 fold towards each other, and ensure that the auxiliary door leaves 4 are kept open.

[0036] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0037] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An automatic door opening mechanism, comprising a main door frame (1), characterized in that: Two main door leaves (2) are fixedly installed on the inside of the main door frame (1), two auxiliary door frames (3) are arranged on the middle of the main door frame (1), a plurality of auxiliary door leaves (4) are evenly distributed on the inside of the auxiliary door frame (3), a connecting piece (5) is hinged between two adjacent auxiliary door leaves (4), an auxiliary door leaf lock (8) is arranged on the upper end of the adjacent side of the two auxiliary door frames (3), a driving device (7) is arranged on the top of the front of the main door frame (1), and the output end of the driving device (7) is connected to the two auxiliary door frames (3); The outer side of an auxiliary door leaf (4) in the auxiliary door frame (3) close to the auxiliary door leaf lock (8) is locked with the auxiliary door leaf lock (8), and the outer side of an auxiliary door leaf (4) in the auxiliary door frame (3) away from the auxiliary door leaf lock (8) is movably hinged to the inner wall of the auxiliary door frame (3).

2. The automatic door opening mechanism according to claim 1, characterized in that: An elastic rope (6) is connected between two adjacent auxiliary door leaves (4), and two ends of the elastic rope (6) are respectively connected to opposite sides of the two adjacent auxiliary door leaves (4).

3. The automatic door opening mechanism according to claim 1, characterized in that: A sealing strip (9) is provided on the outer side of the auxiliary door leaf (4), the left and right sides of the sealing strip (9) are in contact with the adjacent sealing strip (9) and the inner wall of the auxiliary door frame (3), and the upper and lower sides of the sealing strip (9) are in contact with the inner wall of the auxiliary door frame (3).

4. The automatic door opening mechanism according to claim 1, characterized in that: A supporting wheel (10) is installed at the bottom of the auxiliary door frame (3), and the supporting wheel (10) is in contact with the ground.

5. The automatic door opening mechanism according to claim 1, characterized in that: The distance between the back surfaces of the two auxiliary door frames (3) is greater than the distance between the facing surfaces of the two main door leaves (2), and the two auxiliary door frames (3) are completely fitted to the front surfaces of the two main door leaves (2).

6. The automatic door opening mechanism according to claim 1, characterized in that: The driving device (7) comprises a transmission belt (71) movably mounted inside the main door frame (1), both ends of the transmission belt (71) are transmission-connected to a transmission roller (72), and the middle of the transmission belt (71) is fixedly connected to two left and right linkage blocks (75), the back of the left linkage block (75) is fixedly connected to the inner wall of the transmission belt (71), and the bottom of the left linkage block (75) is fixedly connected to the top of a left auxiliary door frame (3), and the front of the right linkage block (75) is fixedly connected to the inside of the transmission belt (71), and the bottom of the right linkage block (75) is fixedly connected to the top of a right auxiliary door frame (3).

7. The automatic door opening mechanism according to claim 6, characterized in that: A driven gear (76) is provided above one of the transmission rollers (72), the bottom of the driven gear (76) is fixedly connected to the top of the transmission roller (72), a bearing (73) is fixedly sleeved inside the transmission roller (72), a positioning shaft (74) is fixedly sleeved inside the bearing (73), and the upper end of the positioning shaft (74) is fixedly connected to the inner wall of the main door frame (1); The side surface of the driven gear (76) is meshedly connected with a driving gear (78), and a driving motor (77) is provided above the driving gear (78). The driving motor (77) is fixedly installed inside the main door frame (1), and the lower end of the output shaft of the driving motor (77) is fixedly connected to the driving gear (78).

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